Frame for dust filter bags



FIG. 1 is a top plan view of frame for dust filter bags showing my newdesign;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a front elevational view thereof, the rear view beingidentical; and

FIG. 5 is a side elevational view thereof, the opposite side beingidentical.

The ornamental design for a frame for dust filter bags, substantially asshown.